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Muro, Ayane; Takatoku, Nozomi; Ohtaka, Chiaki; Fujiwara, Motoko; Nakata, Hiroki – Journal of Motor Learning and Development, 2023
We investigated performance levels on conducting continuous two-footed jumping of preschool children (4 years old) to high school students (16 years old) to clarify the developmental progression and sex differences in motor coordination and agility. In total, 450 children (boys: 227; girls: 223) participated in this study. We set 10 obstacles to…
Descriptors: Gender Differences, Preschool Children, Children, Adolescents
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Takahashi, Fumito; Koseki, Shunsuke; Shimada, Hironori – Journal of Applied Developmental Psychology, 2009
The purposes of this study were to clarify how social problem-solving processes develop and to identify developmentally-sensitive intervention components for children's aggression. Elementary and junior-high school Japanese students (N = 1100) from urban public schools participated in the present investigation. Their alternative thinking skills,…
Descriptors: Social Behavior, Aggression, Problem Solving, Evaluative Thinking